The city of Ephesus was the site of the most significant church planting movement in the early church, with 40 percent of the New Testament texts relating to it. What made that city the epicenter of the movement? And how can we replicate sustained movements in a world that feels so different? This is not another methodology or attempt to re-contextualize evangelicalism. Rather, it is a journey from the launch of the church in Ephesus as it became a movement grounded in God's mission and led by those who multiplied generations of disciples. Michael T. Cooper focuses on Paul and John as missiological theologians who successfully connected Jesus's teaching with the cultural context and narrative of the people in Ephesus. Their ability to relate the God of all creation to a people who sought him in vain resulted in "the Way" transforming the religious, intellectual, economic, and social fabrics of the Ephesian society. Ephesiology offers a comprehensive view of the redemptive movement of the Holy Spirit in this city and compels us to ask the question: how can we effectively connect Christ to our culture? Through this study of a movement, discover how the Holy-Spirit still changes lives, cities, and the world.